863 vread(int fd, struct extvtoc *vtoc, char *devname)  in vread()  argument
873 			    devname);  in vread()
876 			    devname);  in vread()
884 vread64(int fd, struct dk_gpt **efi_hdr, char *devname)  in vread64()  argument
892 			    devname);  in vread64()
896 			    devname, i);  in vread64()
906 vwrite(int fd, struct extvtoc *vtoc, char *devname)  in vwrite()  argument
914 			    devname);  in vwrite()
917 			    devname);  in vwrite()
927 vwrite64(int fd, struct dk_gpt *efi, char *devname)  in vwrite64()  argument
935 			    devname);  in vwrite64()
938 			    devname);  in vwrite64()